Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DependencyInjection\Extension" not found in /home/teranbyt/public_html/invoice/vendor/liuggio/ExcelBundle/DependencyInjection/LiuggioExcelExtension.php:15 Stack trace: #0 {main} thrown in /home/teranbyt/public_html/invoice/vendor/liuggio/ExcelBundle/DependencyInjection/LiuggioExcelExtension.php on line 15